JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

body{
	background:#f00;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100vw;
	height: 100vh;
	padding: 0;
	margin: 0;
}
div{
  width:500px;
  height:200px;
  background:rgba(0,0,0,.8);
  box-shadow:0 0 15px 30px rgba(0,0,0,.8);
  border-radius:60px;
}